1169133949 has 2 divisors, whose sum is σ = 1169133950. Its totient is φ = 1169133948.

The previous prime is 1169133913. The next prime is 1169133967. The reversal of 1169133949 is 9493319611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1167588900 + 1545049 = 34170^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1169133949 - 2¹³ = 1169125757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1169133899 and 1169133908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1169133649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584566974 + 584566975.

It is an arithmetic number, because the mean of its divisors is an integer number (584566975).

Almost surely, 2^1169133949 is an apocalyptic number.

It is an amenable number.

1169133949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1169133949 is an equidigital number, since it uses as much as digits as its factorization.

1169133949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 46.

The square root of 1169133949 is about 34192.6007931541. The cubic root of 1169133949 is about 1053.4681838672.

The spelling of 1169133949 in words is "one billion, one hundred sixty-nine million, one hundred thirty-three thousand, nine hundred forty-nine".